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  1. A sleep-deprived EEG can provide doctors with additional information on the EEG whilst you are tired or if you enter sleep during the recording. When you are asleep, your brainwave patterns change and may show more unusual electrical activity. How can I prepare for the test?

    • Routine EEG
    • Sleep EEG Or Sleep-Deprived EEG
    • Ambulatory EEG
    • Video Telemetry
    • Invasive Eeg-Telemetry

    A routine EEG recording lasts for about 20 to 40 minutes. During the test, you'll be asked to rest quietly. You will usually be asked to open or close your eyes from time to time. In most cases, you'll also be asked to breathe in and out deeply (called hyperventilation) for a few minutes. A flashing light may also be used to see if this affects you...

    A sleep EEG is carried out while you're asleep. It may be used if a routine EEG does not give enough information, or to test for sleep disorders. In some cases, you may be asked to stay awake the night before the test to help ensure you can sleep while it's carried out. This is called a sleep-deprived EEG.

    An ambulatory EEG is where brain activity is recorded throughout the day and night over a period of one or more days. The electrodes will be attached to a small portable EEG recorder that can be clipped onto your clothing. You can continue with most of your normal daily activities while the recording is being taken, although you'll need to avoid ge...

    Video telemetry, also called video EEG, is a special type of EEG where you're filmed while an EEG recording is taken. This can help provide more information about your brain activity. The test is usually carried out over a few days while staying in a purpose-built hospital suite. The EEG signals are transmitted wirelessly to a computer. The video i...

    This EEG is not common, but it may be used to check if surgery is possible for some people with more complex epilepsy. It involves surgery to place electrodes directly on the brain to find out exactly where the seizures are coming from.

  2. A Sleep Deprived EEG involves staying awake for a full night, and then coming to an appointment at the Neurophysiology Department in the morning. During the appointment your EEG will be recorded for around one hour while you are drowsy and/or sleeping. Why Do I Need A Sleep Deprived EEG?

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  3. You have been referred for a sleep deprived electroencephalogram (EEG) test at the Royal Preston hospital. This leaflet will give you more information on what to expect from this test. What is a sleep deprived EEG? An EEG is a diagnostic test that is used to record the electrical activity of the brain.

  4. Feb 2, 2024 · A sleep deprived EEG will be performed by a clinical physiologist. EEG is the abbreviation of electroencephalogram, which is the recording of electrical activity produced by the brain. It can help to explain fits or seizures and is a tool to help your doctor in making a diagnosis.

  5. A sleep EEG (electro-encephalogram) is the recording of electrical activity produced by the brain whilst you sleep. It will help your doctor in making a diagnosis. A sleep EEG is useful as it obtains different information to the routine EEG, as brainwave patterns change during sleep.

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  7. What is a sleep deprived EEG? You may have already had a standard waking EEG. Sleep deprivation may help in two ways. Firstly the tiredness may result in brain waves on the EEG which are not usually seen. Secondly, you may fall asleep during the EEG and this may reveal new information that would otherwise have been unseen.

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